Author: bz
Date: Tue Oct 21 09:45:02 2008
New Revision: 184117
URL: http://svn.freebsd.org/changeset/base/184117
Log:
MFC: r183923
Check that the mbuf len is positive (like we do in the v4 case)
to avoid possible panics.
PR: kern/119123
Approved by: re (kib)
Modified:
stable/7/sys/ (props changed)
stable/7/sys/netinet6/ip6_output.c
Modified: stable/7/sys/netinet6/ip6_output.c
==============================================================================
--- stable/7/sys/netinet6/ip6_output.c Tue Oct 21 09:30:42 2008
(r184116)
+++ stable/7/sys/netinet6/ip6_output.c Tue Oct 21 09:45:02 2008
(r184117)
@@ -2814,7 +2814,7 @@ ip6_setpktopts(struct mbuf *control, str
if (control->m_next)
return (EINVAL);
- for (; control->m_len; control->m_data += CMSG_ALIGN(cm->cmsg_len),
+ for (; control->m_len > 0; control->m_data += CMSG_ALIGN(cm->cmsg_len),
control->m_len -= CMSG_ALIGN(cm->cmsg_len)) {
int error;
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